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IJCNN
2008
IEEE
14 years 1 months ago
On the learning of nonlinear visual features from natural images by optimizing response energies
— The operation of V1 simple cells in primates has been traditionally modelled with linear models resembling Gabor filters, whereas the functionality of subsequent visual cortic...
Jussi T. Lindgren, Aapo Hyvärinen
EOR
2006
71views more  EOR 2006»
13 years 7 months ago
Control and optimal response problems for quasilinear impulsive integrodifferential equations
One of the central results of the paper is the Pontryagin maximum principle [16] which is considered in sufficient form for the linear case of impulsive differential equations. Th...
M. U. Akhmet, M. Kirane, M. A. Tleubergenova, Gerh...
ICIP
2005
IEEE
14 years 9 months ago
The impulse responses of block shift-invariant systems and their use for demosaicing algorithms
Shift-invariant linear algorithms can be described completely by the algorithm's response to an impulse input. The so called impulse response can be used as filter kernels wh...
Yacov Hel-Or
SIGPRO
2008
113views more  SIGPRO 2008»
13 years 7 months ago
Design of maximally flat IIR filters with flat group delay responses
Digital filters with linear phase responses, that is, constant group delay responses are needed in many applications for signal and image processing. In this paper, a novel method...
Xi Zhang
IEICET
2006
58views more  IEICET 2006»
13 years 7 months ago
Sensitivity of Time Response to Characteristic Ratios
In recent works [1], [5], it has been shown that the damping of a linear time invariant system relates to the so-called characteristic ratios (k, k = 1,
Youngchol Kim, Keunsik Kim, Shunji Manabe